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Chemistry
UTME / JAMB 1986
Particulate Nature of Matter, Laws & Formulae
Solution
The relationship between the velocity (U) of gas molecules and their relative molecular mass (M) is shown by the equation
A
U = (kM)\(\frac{1}{2}\)
B
U = (kM)2
C
U = \(\sqrt{\frac{k}{m}}\)
D
U = \(\frac{k}{m}\)
medium Difficulty
Verified Correct Answer: Option C
Chemical Principles & Mechanism
The relationship between (U) of a gas molecule and the relative molecular mass is \(\bar{U}\) = (\(\frac{k}{m}\))\(^{\frac{1}{2}}\)
or \(\bar{U}\) = \(\sqrt{\frac{k}{m}}\)
Source: Myschool Past Questions Archive (Record #44460)
Chemistry
UTME / JAMB 1986
Chemical Bonding & Intermolecular Forces
An element with atomic number twelve is likely to be
A
electrovalent with a velocity of 1
B
electrovalent with a valency of 2
C
covalent with a valency of 2
D
covalent with valency of 4
medium Difficulty
Verified Correct Answer: Option B
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #44461)
Chemistry
UTME / JAMB 1986
Periodic Table & Periodicity
Solution
Which of the following groups of physical properties increases from left to right of the periodic table?
i. Ionization energy ii. Atomic radius iii. Electronegativity iv. Electron affinity
A
i and ii
B
i, ii and iii
C
iii and iv
D
i, iii and iv
medium Difficulty
Verified Correct Answer: Option D
Chemical Principles & Mechanism
Atomic radius is the distance from the atom's nucleus to the outer edge of the electron cloud. In general, atomic radius decreases across a period and increases down a group.
Source: Myschool Past Questions Archive (Record #44462)
Chemistry
UTME / JAMB 1986
Water, Solutions & Solubility
When 50cm3 of a saturated solution of sugar (molar mass 342.0g) at 40oC was evaporated to dryness, 34.2g of dry solid was obtained. The solubility of sugar at 40oC is
A
10.0 moles dm-3
B
7.0 moles dm-3
C
3.5 moles dm-3
D
2.0 moles dm-3
medium Difficulty
Verified Correct Answer: Option D
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #44463)
English Language
UTME / JAMB 1986
Clauses, Phrases, Voice & Reported Speech
.....no other institution of place so readily comes to mind as museums' means that museums are
A
always ready to enter the mind
B
a ready example
C
recalled with great difficulty
D
remembered with hesitancy
medium Difficulty
Verified Correct Answer: Option B
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Official Exam / Past Question Archive
Biology
UTME / JAMB 1986
Variety of Organisms & Classification of Living Things
Viruses are regarded as non-living because they
A
can niether reproduce asexually nor sexually
B
cannot survive in their respective enviroments
C
do not possess characteristics that can be transmitted from one generation to the next
D
can neither respire nor excrete
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #3353)
Biology
UTME / JAMB 1986
Variety of Organisms & Classification of Living Things
Which of the following pairs are fully adapted to terrestrial life?
A
Ferns and algae
B
Ferns and mosses
C
Bryophytes and flowering plants
D
Flowering plants and conifers
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #3355)
Biology
UTME / JAMB 1986
Variety of Organisms & Classification of Living Things
Which of these animals is radially symmetrical?
A
squid
B
Hydra
C
Snail
D
Cockroach
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #3357)
Biology
UTME / JAMB 1986
Variety of Organisms & Classification of Living Things
Which of the following has cones?
A
Angiosperms
B
Gymnosperms
C
Pteridophyte
D
Bryophyte
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #3359)
Biology
UTME / JAMB 1986
Variety of Organisms & Classification of Living Things
For effective functioning of a bird's quill feather, hooks fit on the ridge of the
A
Vane
B
rachis
C
barbules
D
barbs
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #3361)
Biology
UTME / JAMB 1986
Variety of Organisms & Classification of Living Things
Solution
Which of the following is NOT true of spirogyra?
A
Reproduces by conjugation
B
Reproduces by fragmentation
C
Consist of branched filaments
D
Consist of unbranched filaments
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
In Spirogyra, identical cells are joined end to end to form unbranched filaments. it can reproduce vegetatively to form new filaments. spirogyra can also reproduce sexually.
Source: Myschool Past Questions Archive (Record #3362)
Biology
UTME / JAMB 1986
Variety of Organisms & Classification of Living Things
Solution
Which of the following lacks chaetae, tentacles and antennae?
A
Snail
B
Crab
C
Millipede
D
Earthworm
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
While this question appears in various biology contexts with debated answers, based on anatomical definitions, the earthworm is the organism that lacks the specified sensory appendages while possessing a different form of bristles.
A. Snail: Snails possess one or two pairs of tentacles on their heads, which house their eyes and olfactory organs.
B. Crab: Crabs, as crustaceans, have two pairs of antennae (primary and secondary) used for sensing their environment.
C. Millipede: Millipedes possess a distinct pair of antennae on their head for navigation and touch.
Source: Myschool Past Questions Archive (Record #3363)
Biology
UTME / JAMB 1986
Reproduction in Plants & Animals
Incomplete metamorphosis occurs in the
A
butterfly
B
grasshopper
C
mosquito
D
housefly
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #3364)
Biology
UTME / JAMB 1986
Variety of Organisms & Classification of Living Things
Fishes are cold blooded because their body temperature is
A
constantly low
B
constantly high
C
dependent on that of their surroundings
D
regulated at will
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #3365)
Biology
UTME / JAMB 1986
Adaptation & Evolution
Solution
When the original king and queen of termites die, they are replaced by
A
the king and queen of another colony
B
some adult reproductives from the same colony
C
some adult workers which are specially fed breed
D
developing nymphs nurtured as secondary reproductives
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
When the original king and queen termites die, they are typically replaced by replacement reproductives, which are essentially workers that have been modified to become reproductives. This happens because the absence of pheromones produced by the original king and queen causes some workers to develop into new kings and queens.
In termites, nymphs are the immature stages, essentially baby termites, that emerge from eggs and develop through molting. They molt multiple times, typically three times, before maturing into an adult termite within a specific caste (worker, soldier, or reproductive) based on the colony's needs.
Source: Myschool Past Questions Archive (Record #3366)